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context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data."}, {"lang": "es", "value": "libxml2 v2.8.0 y anteriores calcula los valores de hash sin restringir la capacidad de provocar colisiones hash predecibles, lo que permite a atacantes dependientes de contexto provocar una denegaci\u00f3n de servicio (consumo de CPU) a trav\u00e9s datos XML modificados."}], "id": "CVE-2012-0841", "lastModified": "2025-04-11T00:51:21.963", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-12-21T05:46:14.993", "references": [{"source": "[email protected]", "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=660846"}, {"source": "[email protected]", "url": "http://git.gnome.org/browse/libxml2/commit/?id=8973d58b7498fa5100a876815476b81fd1a2412a"}, {"source": "[email protected]", "url": "http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html"}, {"source": "[email protected]", "url": "http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html"}, {"source": "[email protected]", "url": "http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html"}, {"source": "[email protected]", "url": "http://rhn.redhat.com/errata/RHSA-2012-0324.html"}, {"source": "[email protected]", "url": "http://rhn.redhat.com/errata/RHSA-2013-0217.html"}, {"source": "[email protected]", "url": "http://secunia.com/advisories/54886"}, {"source": "[email protected]", "url": 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{"affected_release": [{"advisory": "RHSA-2012:0324", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "libxml2-0:2.6.26-2.1.15.el5_8.2", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2012-02-21T00:00:00Z"}, {"advisory": "RHSA-2012:0324", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "libxml2-0:2.7.6-4.el6_2.4", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-02-21T00:00:00Z"}, {"advisory": "RHSA-2013:0217", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "mingw32-libxml2-0:2.7.6-6.el6_3", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2013-01-31T00:00:00Z"}], "bugzilla": {"description": "libxml2: hash table collisions CPU usage DoS", "id": "787067", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=787067"}, "csaw": false, "cvss": {"cvss_base_score": "5.0", "cvss_scoring_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "status": "verified"}, "cwe": "CWE-407", "details": ["libxml2 before 2.8.0 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data."], "name": "CVE-2012-0841", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Affected", "package_name": "libxml2", "product_name": "Red Hat Enterprise Linux 4"}], "public_date": "2012-02-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-0841\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-0841"], "threat_severity": "Moderate"}